A glottal chink model for the synthesis of voiced fricatives

This paper presents a simulation framework that enables a glottal chink model to be integrated into a time-domain continuous speech synthesizer along with self-oscillating vocal folds. The glottis is then made up of two main separated components: a self-oscillating part and a constantly open chink....

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Bibliographic Details
Main Authors: Elie, Benjamin, Laprie, Yves
Format: Conference Proceeding
Language:English
Subjects:
Acoustic propagation
Articulatory synthesis
Computational modeling
Computer simulation
Conferences
Electronics
Geometry
Glottal chink
Glottis
Lips
Mathematical model
Mathematical models
Noise
Numerical models
Phonetics
Speech
Transmission line matrix methods
Vocal folds
Voiced fricatives
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Summary:This paper presents a simulation framework that enables a glottal chink model to be integrated into a time-domain continuous speech synthesizer along with self-oscillating vocal folds. The glottis is then made up of two main separated components: a self-oscillating part and a constantly open chink. This feature allows the simulation of voiced fricatives, thanks to a self-oscillating model of the vocal folds to generate the voiced source, and the glottal opening that is necessary to generate the frication noise. Numerical simulations show the accuracy of the model to simulate voiced fricative, and also phonetic assimilation, such as sonorization and devoicing. The simulation framework is also used to show that the phonatory/articulatory space for generating voiced fricatives is different according to the desired sound: for instance, the minimal glottal opening for generating frication noise is shorter for /z/ than for /3/.
ISSN:2379-190X
DOI:10.1109/ICASSP.2016.7472677